Bibliographic data

Document EP000002541815B1 (Pages: 15)

Bibliographic data Document EP000002541815B1 (Pages: 15)
INID Criterion Field Contents
54 Title TI [DE] Taktsynchronisationsnetzwerk
[EN] Clock synchronization network
[FR] Réseau de synchronisation d'horloge
71/73 Applicant/owner PA ALCATEL LUCENT, FR
72 Inventor IN BUI DINH THAI, FR ; LE PALLEC MICHEL, FR
22/96 Application date AD Jun 28, 2011
21 Application number AN 11171771
Country of application AC EP
Publication date PUB Dec 18, 2013
33
31
32		 Priority data PRC
PRN
PRD

51 IPC main class ICM H04J 3/06 (2006.01)
51 IPC secondary class ICS
IPC additional class ICA
IPC index class ICI
Cooperative patent classification CPC H04J 3/0658
H04J 3/0667
H04J 3/0679
H04J 3/0688
MCD main class MCM H04J 3/06 (2006.01)
MCD secondary class MCS
MCD additional class MCA
57 Abstract AB [EN] A synchronization transport network (100) for distributing a time reference between external clocks (103, 203, 104), comprises a first input node (110) connected to a first external master clock (103), a second input node (210) connected to a second external master clock (203), and an output node (120) connected to an external slave clock (104). The first and second input nodes (110, 210) record a time-of-arrival of a primary timestamp and forward the primary timestamp (141, 241) and the corresponding time-of-arrival to the output node (120). The first and second input nodes forward a clock status report (150, 250) to the output node. The output node processes the clock status reports from the first and second external master clocks so as to select one of external master clocks (103, 203) as a reference clock and generates a secondary timestamp (142) as a function of the primary timestamp received from the selected reference clock.
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